Prosecution Insights
Last updated: October 26, 2026

Evan P Dzierzynski, USPTO Patent Examiner

Listed by the USPTO as DZIERZYNSKI, EVAN P

Tech Center 2800 • Art Units: 2875 2896

This examiner grants 78% of resolved cases

Analysis

DZIERZYNSKI, EVAN P is a USPTO patent examiner in Tech Center 2800 and Art Unit 2875. The record includes 1176 resolved cases, an allowance rate of 77.6%, and an interview lift of 12.2%. Median time to allowance is 754 days. The volume of resolved matters supports using these figures as a meaningful reference point when planning prosecution before this examiner.

Representative companies are Schlumberger Technology Corporation, Pinnacle 20 LLC, and Furukawa Electric Co., Ltd. Representative firms are BOOTH UDALL, PLC, FOLEY & LARDNER LLP, and HANLEY, FLIGHT & ZIMMERMAN, LLC. The profile gives practitioners a basis for aligning amendment planning and interview decisions with observed examination outcomes and timing.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

77.6%
Allow Rate
+9.6% vs TC avg
1,190
Total Applications
+12.2%
Interview Lift
754
Avg Prosecution Days
Based on 1176 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
24.6%
§102 Novelty
64.1%
§103 Obviousness
7.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18845940 PERMANENT DOWNHOLE PLUG-IN CONNECTOR Non-Final OA Schlumberger Technology Corporation
18292716 FEMALE TERMINAL, CONNECTOR, TERMINAL-ATTACHED ELECTRIC WIRE, CONNECTOR-ATTACHED ELECTRIC WIRE, AND WIRE HARNESS Non-Final OA FURUKAWA AUTOMOTIVE SYSTEMS, INC.
19142957 BATTERY PACK, HELMET ACCESSORIES SYSTEM AND PROTECTIVE HELMET SYSTEM WITH VIBRATION ALARM AND METHOD FOR OPERATING SUCH A HELMET ACCESSORIES SYSTEM Non-Final OA Pfanner Schutzbekleidung GmbH

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Frequently Asked Questions

What is examiner Evan P Dzierzynski's allowance rate?

77.6% of resolved applications examined by Evan P Dzierzynski were allowed (1,176 resolved cases), compared with 65.6% across Art Unit 2875 over the last five years.

Does an interview help with examiner Evan P Dzierzynski?

This examiner's interview lift is +12.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Evan P Dzierzynski take to allow a patent?

Applications allowed by Evan P Dzierzynski took 754 days on average from filing to allowance.

Which art unit does examiner Evan P Dzierzynski work in?

Evan P Dzierzynski examines applications in Art Unit 2875 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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